<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            background-color: black;

        }

        .map {
            position: relative;
            height: 617px;
            width: 747px;
            background-image: url(../media/map.png);
            background-repeat: no-repeat;
            margin: 0 auto;
        }

        .map .city {
            position: absolute;
            top: 227px;
            left: 546px;
            height: 8px;
            width: 8px;
            /* background-color: pink; */
            position: relative;
        }

        .map .city .dotted {
            height: 8px;
            width: 8px;
            border-radius: 50%;
            background-color: blue;


        }

        .map .city div[class^="big"] {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 12px blue;

            border-radius: 50%;
            animation: big 2s infinite;

        }
        .big1{
            animation-delay: 0.8s !important;
        }
        .big2{
            animation-delay: 1.5s !important;
        }
        .big3{
            animation-delay: 2s !important;
        }

        @keyframes big {
            0% {}

            70% {
                width: 15px;
                height: 15px;
                opacity: 1;
            }

            100% {
                width: 24px;
                height: 24px;
                opacity: 1;
            }
        }

        .big1 {
            animation-delay: 0.8s !important;
        }

        .big2 {
            animation-delay: 1.6s !important;
        }

        .big3 {
            animation-delay: 2s !important;
        }
    </style>
</head>

<body>
    <div class="map">
        <div class="city">
            <div class="dotted"></div>
            <div class="big1"></div>
            <div class="big2"></div>
            <div class="big3"></div>

        </div>
    </div>
</body>

</html>